Home / 186,018.40-279,027.60-178,145.20

Finding the Fourth Proportional to 186,018.40, 279,027.60 and 178,145.20

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Solution

The fourth proportional to 186,018.40, 279,027.60 and 178,145.20 is: 267,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,018.40 : 279,027.60 = 178,145.20 : x
  2. Step 2: Convert to fraction form
    186,018.40/279,027.60 = 178,145.20/x
  3. Step 3: Cross multiply
    186,018.40x = 279,027.60 × 178,145.20
  4. Step 4: Simplify right side
    186,018.40x = 49,707,427,607.52
  5. Step 5: Solve for x
    x = 49,707,427,607.52/186,018.40
  6. Step 6: Final answer
    x = 267,217.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.